| pollution → be in → the air | 7 |
| pollution → go into → the air | 4 |
| pollution → be found in → the air | 3 |
| pollution → being put in → the air | 3 |
| negative | neutral | positive |
| 0.603 | 0.330 | 0.067 |
| Raw frequency | 17 |
| Normalized frequency | 0.473 |
| Modifier score | 0.500 |
| Perplexity | 30.757 |